Home / 8,378,805,981.38-12,569,500,373.70-2,856,772,611.50

Finding the Fourth Proportional to 8,378,805,981.38, 12,569,500,373.70 and 2,856,772,611.50

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Solution

The fourth proportional to 8,378,805,981.38, 12,569,500,373.70 and 2,856,772,611.50 is: 4,285,599,223.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,805,981.38 : 12,569,500,373.70 = 2,856,772,611.50 : x
  2. Step 2: Convert to fraction form
    8,378,805,981.38/12,569,500,373.70 = 2,856,772,611.50/x
  3. Step 3: Cross multiply
    8,378,805,981.38x = 12,569,500,373.70 × 2,856,772,611.50
  4. Step 4: Simplify right side
    8,378,805,981.38x = 35,908,204,407,825,178,624
  5. Step 5: Solve for x
    x = 35,908,204,407,825,178,624/8,378,805,981.38
  6. Step 6: Final answer
    x = 4,285,599,223.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.